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Eliciting Human Intelligence with the Scharff technique - Exploring the Ordering of the Claim-tactic

Webbink, L. (2020) Eliciting Human Intelligence with the Scharff technique - Exploring the Ordering of the Claim-tactic.

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Abstract:This explorative study is about the claim-tactic of the Scharff-technique and examined whether the position of an incorrect claim (D = disconfirmation), in a series of correct claims (C = confirmation), affected the elicitation of the isolated piece of information sought after with that incorrect claim. Participants (N = 307) were randomly allocated to either the (1) CCC-condition, (2) DCC-condition, (3) CDCcondition, (4) CCD-condition or the (5) Direct Approach-condition. First, the participants had to imagine being an informant. They received information about a planned attack and were informed to not reveal too little or too much information during an upcoming interview. Next,they listened to an interviewer-monologue after which they were interviewed about the planning of the attack. As predicted, the Scharff-technique resulted in more new information than the Direct Approach, but only when a mix of correct and incorrect claims were presented. Furthermore, the Scharff-technique was more effective in eliciting a specific piece of information than the Direct Approach, but only when a correct claim was used to elicit the piece of information. Unexpectedly, the position of the incorrect claim did not affect the elicitation of the specific piece of information of that claim.
Item Type:Essay (Master)
Faculty:BMS: Behavioural, Management and Social Sciences
Subject:77 psychology
Programme:Psychology MSc (66604)
Link to this item:http://purl.utwente.nl/essays/80656
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